// 判断是否为鼠标点击
export const isMouse = () => window.matchMedia('(hover: hover) and (pointer: fine)').matches;
// 转换纬度
function transformLat(x, y) {
    let ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * Math.sqrt(Math.abs(x));
    ret += ((20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0) / 3.0;
    ret += ((20.0 * Math.sin(y * pi) + 40.0 * Math.sin((y / 3.0) * pi)) * 2.0) / 3.0;
    ret += ((160.0 * Math.sin((y / 12.0) * pi) + 320 * Math.sin((y * pi) / 30.0)) * 2.0) / 3.0;
    return ret;
}
// 转换经度
function transformLon(x, y) {
    let ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * Math.sqrt(Math.abs(x));
    ret += ((20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0) / 3.0;
    ret += ((20.0 * Math.sin(x * pi) + 40.0 * Math.sin((x / 3.0) * pi)) * 2.0) / 3.0;
    ret += ((150.0 * Math.sin((x / 12.0) * pi) + 300.0 * Math.sin((x / 30.0) * pi)) * 2.0) / 3.0;
    return ret;
}
export function wgs84ToGcj02(wgsLat, wgsLon) {
    let dLat = transformLat(wgsLon - 105.0, wgsLat - 35.0);
    let dLon = transformLon(wgsLon - 105.0, wgsLat - 35.0);
    const radLat = (wgsLat / 180.0) * pi;
    let magic = Math.sin(radLat);
    magic = 1 - ee * magic * magic;
    const sqrtMagic = Math.sqrt(magic);
    dLat = (dLat * 180.0) / (((a * (1 - ee)) / (magic * sqrtMagic)) * pi);
    dLon = (dLon * 180.0) / ((a / sqrtMagic) * Math.cos(radLat) * pi);
    const gcjLat = wgsLat + dLat;
    const gcjLon = wgsLon + dLon;
    return {lat: Number(gcjLat.toFixed(5)), lng:  Number(gcjLon.toFixed(5))};
}